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Linux System Administrator Freelance Jobs in Madison, WI

SV Tech Systems Inc

Systems Administrator

Madison, WI · On-site

The client is seeking a Linux System Administrator-preferably with experience supporting Oracle Linux. This individual will perform all administrative tasks for Linux servers including: installation ...

Latitude Corp.

Network System Administrator

Verona, WI · On-site

$71K - $96K/yr

... Linux environments Maintain automated update system to keep all workstation endpoints current with ... Administer and troubleshoot LAN/WAN infrastructure including routers, switches, firewalls, and ...

Latitude Corp.

Network System Administrator

Verona, WI · On-site

$71K - $96K/yr

... Server and Linux environments • Maintain automated update system to keep all workstation ... Administer and troubleshoot LAN/WAN infrastructure including routers, switches, firewalls, and ...

TEKsystems

Systems Administrator

Madison, WI · Hybrid

$30 - $50/hr

... system issues Collaborate with infrastructure, security, and project teams Maintain operational ... Linux administration Microsoft 365 administration PowerShell scripting and automation Basic ...

IT America Inc

IBM Mainframe Administrator

Madison, WI · Remote

System Management: Oversee the installation, configuration, and maintenance of mainframe hardware ... IBM zSeries, z/OS, z/VM, z/Linux Storage & Backup: DFSMS, HSM, SRDF, Tape Backup, VTS, DataMover ...

Sprocket Security

DevOps Engineer

Madison, WI · On-site

$53.25 - $72.75/hr

... • Administer Linux-based systems, addressing performance bottlenecks and ensuring system stability. • Contribute to the standardization, documentation, and maintainability of our AWS ...

Sprocket Security

DevOps Engineer

Madison, WI · On-site

$53.25 - $72.75/hr

... • Administer Linux-based systems, addressing performance bottlenecks and ensuring system stability. • Contribute to the standardization, documentation, and maintainability of our AWS ...

Sprocket Security

DevOps Engineer

Madison, WI · On-site

$53.25 - $72.75/hr

... • Administer Linux-based systems, addressing performance bottlenecks and ensuring system stability. • Contribute to the standardization, documentation, and maintainability of our AWS ...

FGS-WI LLC

Network Administrator

Milton, WI · On-site

$60K - $80K/yr

They have a strong understanding of network infrastructure and endpoints systems, with deep ... Windows, Mac, Linux, Printers, Mobile, general monitoring, management and patching for ...

Epic

Server Systems Administrator

Madison, WI

Knowledge of Linux or Windows system administration, virtualization, scripting, automation, or DevOps processes is a plus, but not necessary * Willingness to travel 1-2 weeks per year * Eligible to ...

Epic

Server Systems Administrator

Madison, WI · On-site

Knowledge of Linux or Windows system administration, virtualization, scripting, automation, or DevOps processes is a plus, but not necessary * Willingness to travel 1-2 weeks per year * Eligible to ...

Sprocket Security

Junior DevOps Engineer

Madison, WI

$53.25 - $72.75/hr

Administer Linux-based systems, addressing performance bottlenecks and ensuring system stability. * Contribute to the standardization, documentation, and maintainability of our AWS infrastructure ...

Sprocket Security

Junior DevOps Engineer

Madison, WI · On-site

$53.25 - $72.75/hr

Administer Linux-based systems, addressing performance bottlenecks and ensuring system stability. * Contribute to the standardization, documentation, and maintainability of our AWS infrastructure ...

IT America Inc

Disaster Recovery Engineer

Madison, WI · Remote

Skilled System Administrator with both Windows and Linux * Very strong skills with ESX/VMware virtual environment, tools, and services * Basic knowledge of other operating system platforms such as ...

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Linux System Administrator Freelance information

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How much do linux system administrator freelance jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for linux system administrator freelance in Madison, WI is $52.36, according to ZipRecruiter salary data. Most workers in this role earn between $41.44 and $62.98 per hour, depending on experience, location, and employer.

What does a freelance Linux system administrator do?

Linxus is a software system that provides an area to develop and run applications related to the security of technology information. As a freelance Linux system administrator, you work under contract and have responsibilities that cover the entire process. Your duties include designing the infrastructure, implementing new programs and updates, monitoring the network, ensuring the platform is compatible with user equipment, and collaborating with others on system strategies. A freelance administrator can work from home or travel to a business until the project is complete.

What does a freelance Linux system administrator do?

A freelance Linux System Administrator is an IT professional who manages, configures, and maintains Linux-based servers and systems for clients on a contract or project basis. Their responsibilities include installing software, monitoring system performance, ensuring security, troubleshooting issues, and performing regular backups. Working as a freelancer, they often support multiple clients remotely, providing flexible and specialized Linux administration services tailored to different business needs.

What are the key skills and qualifications needed to thrive as a freelance Linux system administrator?

A successful Linux System Administrator Freelance should have strong expertise in Linux operating systems, networking, scripting (such as Bash or Python), and a solid understanding of server security, often supported by a degree in computer science or relevant certifications like RHCSA or CompTIA Linux+. Familiarity with tools such as Ansible, Docker, and cloud platforms (AWS, Azure) is typically required for managing and automating systems. Excellent problem-solving skills, communication, and the ability to work independently are crucial soft skills for freelancers. These competencies ensure reliable system performance, client satisfaction, and the ability to adapt to diverse technical environments.

What are some common challenges faced by freelance Linux system administrators when managing multiple clients?

Freelance Linux System Administrators often juggle several clients at once, each with their own unique systems, security policies, and expectations. This can make it challenging to prioritize tasks, keep documentation organized, and ensure all environments are secure and up-to-date. Effective time management, clear communication, and robust tracking tools are essential for staying on top of updates, troubleshooting requests, and coordinating with client teams. Additionally, freelancers need to be proactive in learning about new technologies and best practices to offer valuable, up-to-date solutions.

What is the difference between Linux System Administrator Freelance vs Linux System Administrator?

AspectLinux System Administrator FreelanceLinux System Administrator
CredentialsCertifications like Linux+, RHCSA, or LPIC often preferred; self-taught skills also commonSimilar certifications required; often employed with companies or government agencies
Work EnvironmentRemote, flexible projects for multiple clientsTypically in-house or remote with a single employer
Employer & IndustryIndependent contractors serving various industriesFull-time employee in IT or tech departments
Work ScopeProject-based, varied tasks, client-specificOngoing system management, maintenance, and support

In summary, a Linux System Administrator Freelance works independently on diverse projects for multiple clients, often remotely, while a Linux System Administrator employed by a company handles ongoing system management within a fixed organization. Both roles require similar certifications and technical skills but differ mainly in work environment and scope.

Are Linux System Administrators Freelance in high demand?

Linux System Administrators working as freelancers are in high demand due to the widespread use of Linux servers, cloud computing, and open-source environments. Skills in scripting, security, and cloud platforms like AWS or Azure increase employability, and many organizations seek flexible, remote IT professionals for system management tasks.

How much do Linux system administrators freelance make?

Freelance Linux system administrators typically earn between $30 and $100 per hour, depending on experience, certifications, and project complexity. Annual income can vary widely, often ranging from $50,000 to over $120,000 for experienced professionals working on complex or long-term projects.

Is a Linux System Administrator freelance a good career?

A freelance Linux System Administrator can have a flexible schedule and the opportunity to work on diverse projects, often requiring skills in scripting, networking, and security. However, it may involve inconsistent income and the need for self-marketing and client management. Success depends on experience, reputation, and the ability to stay current with evolving Linux technologies.
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For Linux System Administrator Freelance jobs in Madison, WI, the most frequently searched job titles are:

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Linux System Administrator Freelance jobs near you
Infographic showing various Linux System Administrator Freelance job openings in Madison, WI as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $108,903 per year, or $52.4 per hour.

Systems Administrator

SV Tech Systems Inc

Madison, WI • On-site

Contractor

Re-posted 20 days ago

Job description

Company Description


SV Tech Systems prides itself in being the leading provider of recruitment and staffing services for a wide range of industries. We provide staffing services to firms throughout the United States and Canada. We attract the best pool of talent with the aim of nurturing sound work ethics and solid values amongst a highly motivated and diverse workforce.


Job Description

Title                             : Systems Administrator
Location                     : Madison, WI
Duration                     : 3+ Months
A direct WI client is looking for a Systems Administrator - 2.
This position will start 3/23/2015 and is anticipated to end 6/30/2015.
The client is seeking a Linux System Administrator-preferably with experience supporting Oracle Linux.
This individual will perform all administrative tasks for Linux servers including: installation, configuration, patching, securing, maintenance, and support for associated peripheral devices. Responsibilities include user account management and directory services integration; system backups and restores; network and storage configuration; virtual environment management leveraging VMware infrastructure and tools; performance optimization including load balancing and capacity management; system troubleshooting and diagnostics; and system performance and security monitoring.
Technical/Support Skills 
    Outstanding collaboration skills.
    Strong written and verbal communication skills.
    Excellent organization and presentation skills
    Respond, track, and escalate systems incidents on all Linux systems. Perform system patch deployments and maintenance; application upgrades and patches. Monitor and resolve alerts. Monitor system security. Follow change management and configuration management procedures and guidelines.
    Perform system administration duties such as installations; configurations; troubleshooting; kernel tuning; user access administration; file system tuning, hardware configuration, system performance tuning, disk management, custom package creation, shell scripting, and fine grain access control.
    Linux System administration/engineering.
    Working knowledge of Linux deployments and administration
    Administering, structuring, architecture, and supporting web-based systems that are highly available and capable of handling large throughput and concurrency.
    Shell scripting
    Understanding of Linux performance tuning and related utilities.
    Intermediate to Advanced SQL Queries and Scripting Knowledge.
    Understanding of network concepts (i.e. TCP/IP protocols, routing, subnets, services, DNS, etc.)
    Demonstrated experience working with technical and non-technical staff.
    Ability to manage multiple tasks under tight deadlines.
    Ability to communicate in plain English with executive level management.
    Experience and familiarity with ITIL process and practice is preferred
    Ability to multitask and work well in a team environment
    Strong analytical and problem ownership skills.
    Ability to communicate with customers - internal and external, to negotiate an acceptance criterion for problem resolution.
    Direct experience with delivering SaaS solutions and managing virtualized infrastructure
    Self-starter who is innovative and motivated to succeed
    4+ years industry experience
    BS in Computer Science or related work experience

Qualifications
Information about the environment:
    System/Application Platforms: Oracle Linux, VMware vSphere 5.5, Tomcat, Apache, Ruby, Java, LDAP, DNS
    Database: Oracle10g, 11g, ASM, Oracle RAC and RAC 1-Node, Data Guard, GoldenGate, GRID Control, RMAN, Partitioning


Additional Information

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Technical Recruiter,

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